Teo Blašković founded The Watchers in 2011 and edited it until 2026, covering seismic and volcanic activity, extreme weather, space weather and near-Earth objects. Articles on this page are his archive.

  • Rare snowstorm hits Chicago, breaking 109-year-old snow record

    An unusually strong late-season snowstorm hit parts of United States on April 27 and 28, 2019, dropping heavy snow and causing hundreds of flights to be canceled. Chicago O'Hare International airport received 6.3 cm (2.5 inches) of snow on April 27, breaking the…

  • Meteorite hits a house in San Carlos, Costa Rica

    A very bright meteor exploded over Costa Rica at 03:10 UTC on April 24, 2019 (21:07 LT on April 23) and was seen and recorded across the country. ​The American Meteor Society (AMS) received 3 reports from Alajuela and Guanacaste. Costa Rica fireball heatmap -…

  • Asteroid 2019 GP21 flew past Earth at 0.93 LD

    A newly discovered asteroid designated 2019 GP21 flew past Earth at a distance of 0.93 LD / 0.00188 AU (281 243 km / 174 756 miles) on March 31, 2019. It was the second asteroid to flyby Earth that day. The object was first observed at Pan-STARRS 1, Haleakala on…